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Topics: Diseases

  • Rachel Feeney, PhD Student, and Björn Schröder, Docent in infection biology, the Department of Molecular Biology at Umeå University. Photo: Anna Shevtsova

    Antibiotic usage can damage the protective mucus layer in the gut

    Researchers at Umeå University and Tartu University have found that a history of repeated antibiotic use causes defects in the normally protective mucus barrier of the gut, due to antibiotic-driven alterations in the microbiota. In a further study in a different collaboration, the researchers found a bacteria-independent mechanism through which antibiotics can damage the mucus barrier directly.

  • Different cell types in the brain are affected by tick infection

    Different cell types in the brain are affected by tick infection

    The dreaded tick-borne encephalitis (TBE) virus infects different types of brain cells in different parts of the brain, depending on whether the affected person's immune system is activated or not. This is shown in a new study at Umeå University, Sweden.

  • How chronic stress accelerates Alzheimer’s disease

    How chronic stress accelerates Alzheimer’s disease

    Why does chronic stress lead to increased risk for dementia? The answer may lie in the elevation of stress steroids that is seen in the brain during stress, Sara K. Bengtsson suggests in the thesis she is defending at Umeå University on March 22nd.